import axios from 'axios'
import { Message } from 'element-ui'
import store from '@/store'
import { getToken, getId } from '@/utils/auth'

// create an axios instance
const service = axios.create({
  baseURL: process.env.BASE_API // api的base_url
  // timeout: 12000 // request timeout
})

// request interceptor
service.interceptors.request.use(config => {
  // Do something before request is sent
  if (store.getters.token && store.getters.id) {
    config.headers['user-auth-token'] = getToken() // 让每个请求携带token-- ['X-Token']为自定义key 请根据实际情况自行修改  token 需要在加
    config.headers['user-id'] = getId() // 让每个请求携带id
  }
  return config
}, error => {
// Do something with request error
  // console.log(error) // for debug
  Promise.reject(error)
})

// respone interceptor
service.interceptors.response.use(
  response => {
  /**
  * 下面的注释为通过response自定义code来标示请求状态，当code返回如下情况为权限有问题，登出并返回到登录页
  * 如通过xmlhttprequest 状态码标识 逻辑可写在下面error中
  */
    const res = response.data
    if (!res.success) {
      if (res.errorCode === null) {
        Message({
          message: '请求错误，请联系管理员查看！',
          duration: 5 * 1000
        })
        return Promise.reject('请求错误，请联系管理员查看！')
      }
      if (res.errorCode === 401) {
        Message({
          message: '您已被登出或在其他地方登录！',
          type: 'error',
          duration: 5 * 1000,
          onClose: () => {
            store.dispatch('FedLogOut').then(() => {
              location.reload() // 为了重新实例化vue-router对象 避免bug
            })
          }
        })
      }
      if (res.errorMsg) {
        Message({
          message: res.errorMsg,
          type: 'error',
          duration: 5 * 1000
        })
      }
      return Promise.reject(response.status)
    } else {
      return response
    }
  },
  error => {
    console.log('err' + error)// for debug
    Message({
      message: '网络错误，请稍候再试！',
      type: 'error',
      duration: 5 * 1000
    })
    // debugger
    return Promise.reject(error)
  })

export default service
